Image of Dcubed - Micro Release Nut (uD3RN) and Micro Release Nut Plus (uD3RN+) on the satsearch marketplace

Key highlights

User-friendly, high-performance release device triggering any space mechanism on-orbit.

The Dcubed Micro Release Nut (uD3RN) is a Shape Memory Alloy (SMA) based release actuator that locks sensitive equipment during launch and safely releases it on orbit. It is one of the smallest, yet powerful HDRM solutions on the market. Moreover, it is easily resettable (on-ground, in-space), easy to use, and readily available as a COTS part.

Key features

On-ground resettable, 40 to 100 times
Fully redundant actuation
Smart SMA trigger
Ultra low shock
Axial load (release load): 4 & 6 kN
Proof load (non-actuating): 4,5 kN (uD3RN) 7 kN (uD3RN+)
Body material: hard anodized Aluminum 7075-T7351
Nut material: Titanium grade 5
Temperatures: -65°C to +75°C
Customizable interfaces

Export control

The Dcubed Micro Release Nut (uD3RN) is ITAR-Free.

Customers

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Last updated: 2026-05-05

Dcubed